sot soy spc spd spe sph spl spo spp spr sps spt spy sr- src srd sre srh srl sro srp srr srs srt sry ss- ssc ssd sse ssh ssl sso ssp ssr sss sst stc std ste sth stl sto stp str sts stt sty sy- syc syd sye syh syl syp syr sys syt tcc tcd tce tch tcl tco tcp tcr tcs tct tdc tdd tde tdh tdl tdo tdp tdr tds tdt tdy te- tec ted tee teh tel teo tep ter tes tet tey th- thc thd the thh thl tho thp thr ths tht thy tlc tld tle tlh tll tlo tlp tlr tls tlt to- toc tod toe toh tol too top tor tos tot toy tpc tpd tpe tph tpl tpo tpp tpr tps tpt trc trd tre trh trl tro trp trr trs trt try tsc tsd tse tsh tsl tso tsp tsr tss tst tsy ttc ttd tte tth ttl tto ttp ttr tts ttt tty tyc tyd tye tyl tyo typ tyr tys tyt ycc ycd yce ych ycl yco ycp ycs ycy yde ydl ydo yds ydt ydy yec yed yee yeh yel yeo yep yer yes yet yey yhc yhe yhs yht ylc yld yle yll ylr yls ylt yly yoc yod yoe yol yoo yop yor yos yot yoy ypd ypl ypo yps yrc yre yro yrp yrs yrt ysc yse ysl yso ysp ysr yss yst ysy ytc ytd yte yth ytl yto ytp ytr yts ytt yyc yye yys yyt yyy